Mr. Trump @Donald J. Trump
All banks have some algorithm to give LE's and Upgrades which can't be analyzed by us. As your spending pattern indicates you're milking HDFC from 3 cards. Cover most of your spends offline using Millinea as it will be their co branded card. Keep utilization more...
Physical DF card (ICICI, IDFC, SBI Aurum) and if any other banks gives you can link to your account on DF website.
PP cards cannot be accessed with DF Website.